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Finding the Third Proportional to 876,458 and 1,353,387

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Solution

The third proportional to 876,458 and 1,353,387 is: 2,089,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,458 : 1,353,387 = 1,353,387 : x
  2. Step 2: Convert to fraction form
    876,458/1,353,387 = 1,353,387/x
  3. Step 3: Cross multiply
    876,458x = 1,353,387 × 1,353,387
  4. Step 4: Simplify right side
    876,458x = 1,831,656,371,769
  5. Step 5: Solve for x
    x = 1,831,656,371,769/876,458
  6. Step 6: Final answer
    x = 2,089,839.30

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.